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发明名称
Apparatus for the manufacture of a composite building material
摘要
申请公布号
US2028616(A)
申请公布日期
1936.01.21
申请号
US19340704881
申请日期
1934.01.02
申请人
LOETSCHER EMIL C
发明人
LOETSCHER EMIL C.
分类号
D21J1/16
主分类号
D21J1/16
代理机构
代理人
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